OngoingAI

Thunder Page Speed Optimizer usage & market intelligence

Shopify rating

4.8 ★

75 reviews

What merchants actually report
4.70average· 71 reviews analyzed· 68 with written feedback
90% 5★8% ≤3★

23% of attributable reviewers are United States merchants. 3% had used the app for a year or more when they reviewed.

The developer replies to 13% of reviews overall and 83% of critical ones.

Recent reviewers rate Thunder Page Speed Optimizer 4.89, above its 4.70 lifetime average.

Rating · last 90d

4.89

Recent direction

Replies to reviews

13%

Developer response rate

Replies to critical

83%

On 3★ and below

Long-term reviewers

3%

Using 1yr+ at review

Top merchant markets

United States 23%United Kingdom 14%Bulgaria 9%Canada 7%Saudi Arabia 6%

Tenure when reviewed

under a day 18%days 59%months 20%a year or more 3%

Based on public merchant reviews, with newer feedback given more weight. OngoingAI matches each review to an identifiable store and the app they use.

Pricing
Free plan available
Free PlanFree
  • • Basic Optimizations
  • • Email Support
Advanced$19.99/month

7-day free trial · or $180/year and save 25%

  • • Responsive Images + Image compression
  • • Stop apps from slowing your store
  • • Defer JS, CSS & 3rd-party apps scripts
  • • Lazy-load offscreen images
  • • Critical CSS
Visitor Insights$69/month

7-day free trial · or $621/year and save 25%

  • • Core Web Vitals from your real visitors
  • • Page-by-page Core Web Vitals breakdown
  • • Track theme changes vs performance
  • • Actionable fix suggestions
  • • 500K visitor pageviews included
AI Agent$199/month

or $1,791/year and save 25%

  • • Includes Performance Insights
  • • Powered by Claude Opus & GPT-5.6
  • • Automatically optimize Core Web Vitals
  • • Automatically fix theme issues
  • • Detect regressions within hours
What does Thunder Page Speed Optimizer do?

Improve website speed with real-user Core Web Vitals, image optimization, lazy loading, script controls, technical SEO, and AI discovery.

  • See and track page-level Core Web Vitals based on real shopper visits.
  • Find slow pages, SEO barriers, and content AI agents may struggle to access.
  • Improve website speed with CSS, third-party scripts, and image optimizations.
  • Control lazy loading, predictive preloading, and page-slowing scripts.
  • - Preview every optimization safely before publishing to your live store.

Features

SEOImage compressionPreloadingLazy loadingScriptsMobile responsiveImage optimizationSpeed optimizationTheme optimizationAutomationsSEO scoreAuditsReportingInsights and tipsAnalyticsSpeed analysisLink analysisContent analysisTrackingWebsite trafficTestingSite optimization - Other
Review history
Daily review count on the Shopify App Store
75+20 · 29d~0.7/day· Rating 4.9★ → 4.8★
Aug 17Sep 14

Daily tracking from Aug 10, 2026 through today · 29 days observed · sign up free for the full history →

Category rankings
Live organic position on Shopify App Store category pages
  • Site optimization - Other#21▲10
  • SEO#67▲25

Tracked daily · last 30 days · as of 2026-09-15

Catalog position
Within SEO on the App Store
Rank by reviews
#48 of 917
Review percentile
95th
Rating percentile
74th
On the App Store
4.3 yrs
Works with
Integrations listed for Thunder Page Speed Optimizer
Shopify AdminChrome UX ReportCore Web VitalsGoogle LighthouseGoogle PageSpeed InsightsGTMetrixWeb Page Test
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Frequently asked questions

Improve website speed with real-user Core Web Vitals, image optimization, lazy loading, script controls, technical SEO, and AI discovery. It's a seo tool for ecommerce stores.